dude youre making me cry this is so horrible of your brother this is almost and hes treating you like this his friends started it but he should be defending you and kicking them out of the wedding he only gets one chance in life as a brother to make you his best man and to show everyone that you are indeed his best man you must be an incredible man to tolerate this ive had issues with people in my family not accepting me and we have worked through it although they dont like it but dude you rock do something for you and your boyfriend that day celebrate you be happy